# Right angle and median

Geometry Level pending

Let $$ABC$$ be a scalene triangle. Drop a perpendicular from $$A$$ to $$BC$$, meeting at $$O$$. Let $$AD$$ be the median joining $$A$$ to $$BC$$. If $$\angle OAB$$ = $$\angle CAD$$, then $$\angle CAB$$ in degree is :

×